Merge pull request #1488 from deathbybandaid/py2_warning

Py2 warning

README.rst

@@ -37,6 +37,8 @@ Sopel requires ``backports.ssl_match_hostname`` to be installed. Use
 ``yum install python-backports.ssl_match_hostname`` to install it, or download
 and install it manually `from PyPI <https://pypi.org/project/backports.ssl_match_hostname>`_.
 
+Note: Python 2.x is near end of life. Sopel support at that point is TBD.
+
 In the source directory (whether cloned or from the tarball) run
 ``setup.py install``. You can then run ``sopel`` to configure and start the
 bot. Alternately, you can just run the ``sopel.py`` file in the source

setup.py

@@ -23,6 +23,8 @@
     # Maybe not the cleanest or best way to do this, but I'm tired of answering
     # this fucking question, and if you get here you should go RTGDMFM.
     raise ImportError('Sopel requires Python 2.7+ or 3.3+.')
+if sys.version_info.major == 2:
+    print('Warning: Python 2.x is near end of life. Sopel support at that point is TBD.', file=sys.stderr)
 
 
 def read_reqs(path):

sopel/cli/run.py

@@ -17,6 +17,8 @@
 if sys.version_info < (2, 7):
     tools.stderr('Error: Requires Python 2.7 or later. Try python2.7 sopel')
     sys.exit(1)
+if sys.version_info.major == 2:
+    tools.stderr('Warning: Python 2.x is near end of life. Sopel support at that point is TBD.')
 if sys.version_info.major == 3 and sys.version_info.minor < 3:
     tools.stderr('Error: When running on Python 3, Python 3.3 is required.')
     sys.exit(1)